Merge pull request #24 from qiniu/develop

Release v2.2.1
Merge pull request #33 from qiniu/develop

Release v2.2.1 patch
Merge pull request #36 from qiniu/develop

Release v2.2.2
Merge pull request #54 from qiniu/develop

Release v5.1.0
Merge pull request #57 from qiniu/develop

Update CHANGELOG.md
Merge pull request #59 from qiniu/develop

Release v5.1.0 (patch)
Merge pull request #61 from qiniu/develop

Update README.md
Merge pull request #69 from qiniu/develop

Release v5.2.0 (for windows)
Merge pull request #74 from qiniu/develop

remove cJSON deps
Merge pull request #76 from qiniu/develop

Release v6.0.0
Merge pull request #79 from qiniu/develop

Release v6.0.1
Merge pull request #83 from qiniu/develop

Release v6.0.1 (patch)
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returnBody
uptoken
Merge pull request #84 from qiniu/master

uptoken